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Physics

Physics
In general, which is the cause of a land breeze?

None of these
Temperature
Heat
Pressure

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Physics
A copper disc has a hole. If the disc is heated, the size of the hole

First increases and than decreases
No change
Decreases
Increases

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Physics
A person standing on a railway platform listens to the whistles of arriving and departing trains. The whistle heard is

The same in both cases in all respects
Of higher intensity when train arrives
Of higher pitch when train departs
Of higher pitch when train arrives

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Physics
1 Micron is equal to

10–9 m
10–6 m
10–12 m
10–15 m

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Physics
Heat from the Sun reaches the Earth by

Conduction
Convection
Reflection
Radiation

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Physics
In Astrophysics, what name is given to a hypothetical hole in outer space from which stars and energy emerge?

Ozone hole
Asteroid belt
Black hole
White hole

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MORE MCQ ON Physics

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